MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=derivatives+of+inverse+trig+functions+worksheet+pdf'. This URL is presented within the document body as a link to a worksheet. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to lure victims. The ML classifier also strongly flagged this PDF as malicious.
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=derivatives+of+inverse+trig+functions+worksheet+pdf In PDF document text
- http://pajazupo.openheartmindfulness.org/uploads/1/3/1/4/131483061/rokub.pdfIn PDF document text
- http://files.innerpoweryogauk.com/uploads/1/3/0/7/130775098/wanozokuvopatere.pdfIn PDF document text
- http://files.everyonesopera.com/uploads/1/3/0/8/130814874/cc4b169ab5.pdfIn PDF document text
- http://files.sole-therapy.com/uploads/1/3/2/6/132682051/cfb0dc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/78373739393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/rapusogedogofefegopemedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6645/7254/files/zejegujiwebebapuvurigojos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4814/7867/files/75779585932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3621/9291/files/wawonarabuwasidarudigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/10143998246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2965/8790/files/sibizawasokatup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8567/4149/files/petrografi_batuan_sedimen_klastik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7256/0033/files/windows_xp_professional_product_key_64_bit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3620/3415/files/kumizafazesikibugolaxus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/71392846725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4056/9509/files/hush_imdb_parents_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4302/7109/files/filufekidesininapitiwomu.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE7E | 2828 bytes |
SHA-256: 4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
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font_01_sfnt_off0000b879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB879 | 5480 bytes |
SHA-256: 84a824f0f1920e1f92e157a484ad287333bf38932507b29742d32e3ed74f2453 |
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font_02_sfnt_off0000cb33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB33 | 9820 bytes |
SHA-256: ac8c415c8ab7102a1975be9f2351324786dabf1fb3a655ecb65eec546feaee03 |
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font_03_sfnt_off0000ecbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECBF | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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