MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the same URL and references to 'picture analogies worksheets for kindergarten', suggesting a lure. The presence of PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics indicates a deliberate attempt to distribute malicious content via a link farm. No scripts were extracted, but the primary attack vector appears to be directing the user to a malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/wb?keyword=picture%20analogies%20worksheets%20for%20kindergarten In PDF document text
- http://files.mindorolewisvalleychurches.org/uploads/1/3/0/8/130814126/gigawenidexu.pdfIn PDF document text
- http://files.rotaryseymour.org/uploads/1/3/1/8/131872079/suwet.pdfIn PDF document text
- http://bapajivef.mremhs.com/uploads/1/3/1/0/131070420/6adcebb6e40484.pdfIn PDF document text
- http://files.genesisfamilyempowermentsociety.com/uploads/1/3/1/4/131453124/wupup.pdfIn PDF document text
- http://files.strongerquicker.com/uploads/1/3/1/4/131408970/082cc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4179/1900/files/33008632427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9382/7485/files/xexur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1424/8857/files/99911360967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8345/4872/files/10004684809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0659/8040/files/all_types_bearing_skf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4339/6506/files/foxoxabimikol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0044/6626/files/45559640101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5031/9517/files/19972929264.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5056/3734/files/32942770101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9157/4430/files/31537568985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5055/5799/files/subnautica_power_transmitter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6576/0151/files/12421386392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1503/5291/files/73914437294.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6296/8991/files/what_is_a_example_of_hyperbole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7075/7791/files/nelilotiwopajurujer.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6669 | 5440 bytes |
SHA-256: 2136daaed5c8b59819c19db5c2df3a3d0d4b797cf9d1f84be94e93e3d8ef1310 |
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font_01_sfnt_off000078f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F5 | 10120 bytes |
SHA-256: 8ff36c07e8b38245334a3b3f759f918d5302a35e19873b509e67758db4dc92a9 |
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