Malicious PDF — malware analysis report

Static analysis result for SHA-256 58b6e6f44161cd3b…

MALICIOUS

PDF

51.9 KB Authoring application: pstoedit
MD5: 6e7659442bad1fc895da62d79e2fb2ae SHA-1: 7c2315980ce7880ce6604a74644485d58b98a409 SHA-256: 58b6e6f44161cd3b172bb50f9bfc60572423122790760cad70e33ef543c4afed
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, a common technique for distributing phishing content or redirecting users to malicious websites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, pointing to numerous PDF files hosted on various domains. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. The document body, though heavily obfuscated, appears to be related to a Cisco datasheet, suggesting a lure to entice users to click the embedded links.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One 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 http://solaceelectrical.com.au/uploads/1/3/0/7/130775654/pobirajowitimeg.pdf
    • http://motortrainingtotaal.com/uploads/1/3/0/3/130379237/2287413.pdf
    • http://drpattymain.com/uploads/1/3/0/2/130272458/fujejaroxedutamok.pdf
    • http://molll.online/uploads/1/3/0/5/130540477/4990113.pdf
    • http://mrjudd.com/uploads/1/3/0/5/130589032/wubumitixug.pdf
    • http://isaglobal.org/uploads/1/3/0/5/130588280/feroxadorutafedigi.pdf
    • http://khaleelsarabey.com/uploads/1/3/0/7/130776276/vakeren.pdf
    • http://www.mosestuki.com/uploads/1/3/0/4/130483842/37933.pdf
    • http://onebigbuttonapron.com/uploads/1/3/0/6/130620473/viwepekibexofaje.pdf
    • http://www.holystichealth.com/uploads/1/3/0/8/130874063/3520515.pdf
    • http://grooveshoprecords.com/uploads/1/3/0/6/130604729/dabilidutesixevixigo.pdf
    • http://www.wileyento2019.com/uploads/1/3/0/2/130271004/bonuxilifolal-sedegivawanuvil-buvekuzed.pdf
    • http://5lmboutique17.com/uploads/1/3/0/2/130289632/2210561.pdf
    • http://balmingileadskincare.com/uploads/1/3/0/3/130379110/madunoz.pdf
    • http://www.lllaapparel.com/uploads/1/3/0/3/130323465/midoze.pdf
    • http://macautoloans.net/uploads/1/3/0/4/130476243/matamuveweni-gofupix-lewasuwo-riritu.pdf
    • http://onelegchallenge.org/uploads/1/3/0/8/130814715/kutogu-nexixad.pdf
    • http://performskatewear.net/uploads/1/3/0/5/130590308/7232341.pdf
    • http://asbuiltinformer.com/uploads/1/3/0/9/130969254/9c48770d444027.pdf
    • http://aomenjinshayulechengguanwang.br3h.com/uploads/1/3/0/7/130776105/130776105.html#cisco+aironet+1815+datasheet
    • http://mrjudd.com/uploads/1/3/0/5/1

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d89.bin
701347833fa7d5c7cbdcd75d85e150a22b3abd450d5f3aa15550a5762f2fd110		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D89 2828 bytes
font_01_sfnt_off00006a29.bin
3289724b31cb3b84b3e0807956fefcae45c01a374611fb824b9fb83c32cb4d88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A29 8884 bytes

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