MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific redirector URL, 'https://ttraff.com/pify?keyword=postage+rate+increase+2020+pdf', which is flagged as malicious. The document body, though heavily obfuscated, contains references to postage rate increases and numerous URLs, many hosted on Shopify, suggesting a lure to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/pify?keyword=postage+rate+increase+2020+pdf In PDF document text
- http://fuput.stoneycreektamaskan.com/uploads/1/3/1/6/131636664/pedelojorapi.pdfIn PDF document text
- http://files.skyshedpodpa.com/uploads/1/3/0/8/130814774/wudege.pdfIn PDF document text
- http://files.theosleadershipnetwork.org/uploads/1/3/1/4/131453541/c8d490e6a8a.pdfIn PDF document text
- http://files.sfwarevents.org/uploads/1/3/0/7/130776514/1c17f7d.pdfIn PDF document text
- http://files.jojoamo.com/uploads/1/3/0/8/130874514/zugosadanejasu_japal_rokuxarukitum_gifevudate.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/1/0429/9577/7699/files/rexavekulelixugatazilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1806/7876/files/18625021875.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4877/8400/files/jubojotapolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6003/5735/files/refoxinenotewejawiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8866/1919/files/digestive_tract_histology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8692/1376/files/67325714479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1044/0862/files/51694316522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9411/4455/files/thinking_in_java_5th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6859/7158/files/rent_agreement_format_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9118/8117/files/nejevon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2574/4540/files/63439959375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nijudesiko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1058/7800/files/74617710230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1059/6765/files/square_root_of_13.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_off00007c00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C00 | 5568 bytes |
SHA-256: 890e27f81e1313a9e25e37073234577548addc38777505ce32f2123fac5af008 |
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font_01_sfnt_off00008efc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EFC | 10536 bytes |
SHA-256: 11f33c86ea5b8275cd4ef5d2beb961e32544113ff96ac4a0edfd0b2dc37ade48 |
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