MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, directing users to 'https://ttraff.com/pify?keyword=family+dynamics+therapy+worksheets'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external PDF files, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, also contains the primary malicious URL, suggesting a lure to a potentially malicious site disguised as therapy worksheets.
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/pify?keyword=family+dynamics+therapy+worksheets In PDF document text
- http://files.liic.org/uploads/1/3/0/7/130738719/tasowog.pdfIn PDF document text
- http://rumun.privatecounsellingandmediation.com/uploads/1/3/0/7/130775565/6f575.pdfIn PDF document text
- http://zajovaj.valleyautoservice.net/uploads/1/3/1/4/131453041/87c5a.pdfIn PDF document text
- http://files.fredkaplanbiographer.com/uploads/1/3/1/8/131856232/zipitekusa.pdfIn PDF document text
- http://vevun.floydtribute.com/uploads/1/3/2/7/132741334/6081524.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/1/0434/5636/4709/files/chromogenic_substrate_coliform_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/zatopunajije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7107/7526/files/38477410170.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/95199936216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/fotuduvibifoxifukib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7663/0181/files/bascom_avr_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3303/2864/files/centos_firewall_open_port.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4224/2709/files/mulezasapirid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5446/5175/files/9579851397.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1344/7584/files/47370854021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51031200676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6936/5654/files/32696273878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2638/1975/files/vusifoxowozefoxegir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/57268631060.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_off000067c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67C3 | 5528 bytes |
SHA-256: 9348e7216c204409b3583e65dbaad89dc3df01114d5bef2a9fc70cb9eb766d93 |
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font_01_sfnt_off00007a71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A71 | 10132 bytes |
SHA-256: 69c5ba94977807b401cf3ff97196abd1e93fcddcc37de388bdee2c8b8f0ed284 |
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